[pkgsrc/trunk]: pkgsrc/graphics/librsvg librsvg: fix build w/ current lang/rust

[tnn <tnn%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/3f69939dcbf6
branches:  trunk
changeset: 340528:3f69939dcbf6
user:      tnn <tnn%pkgsrc.org@localhost>
date:      Fri Oct 04 01:45:42 2019 +0000

description:
librsvg: fix build w/ current lang/rust

Alternatively the package could be updated to 2.46.0 but I don't have
time to deal with any potential fallout right now.

diffstat:

 graphics/librsvg/Makefile                                     |   4 +-
 graphics/librsvg/distinfo                                     |   3 +-
 graphics/librsvg/patches/patch-vendor-cssparser_src_parser.rs |  65 +++++++++++
 3 files changed, 69 insertions(+), 3 deletions(-)

diffs (96 lines):

diff -r 1bb35ae5e07e -r 3f69939dcbf6 graphics/librsvg/Makefile
--- a/graphics/librsvg/Makefile Fri Oct 04 00:09:47 2019 +0000
+++ b/graphics/librsvg/Makefile Fri Oct 04 01:45:42 2019 +0000
@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.109 2019/07/27 19:31:00 tnn Exp $
+# $NetBSD: Makefile,v 1.110 2019/10/04 01:45:42 tnn Exp $
 
 DISTNAME=      librsvg-2.44.14
-PKGREVISION=   3
+PKGREVISION=   4
 CATEGORIES=    graphics gnome
 MASTER_SITES=  ${MASTER_SITE_GNOME:=sources/librsvg/${PKGVERSION_NOREV:R}/}
 EXTRACT_SUFX=  .tar.xz
diff -r 1bb35ae5e07e -r 3f69939dcbf6 graphics/librsvg/distinfo
--- a/graphics/librsvg/distinfo Fri Oct 04 00:09:47 2019 +0000
+++ b/graphics/librsvg/distinfo Fri Oct 04 01:45:42 2019 +0000
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.39 2019/07/27 19:31:00 tnn Exp $
+$NetBSD: distinfo,v 1.40 2019/10/04 01:45:42 tnn Exp $
 
 SHA1 (aho-corasick-0.6.8.crate) = e39bb67748289a94512db5c32c599c37e6bb0317
 RMD160 (aho-corasick-0.6.8.crate) = adc1808fb3ec73db2643b6ad3754029e2e495e5f
@@ -563,3 +563,4 @@
 SHA1 (patch-Cargo.lock) = 6767f39a384c89d5ee449bde02ae79d321c229d2
 SHA1 (patch-Makefile.am) = fd57625bed8e908a6b56f78cb75283d1d566cdd6
 SHA1 (patch-configure.ac) = bdad8c486f552dbd301abb49cef3f73aaeb81165
+SHA1 (patch-vendor-cssparser_src_parser.rs) = 69f2f8c1722816e225763550a23379ae1965d33f
diff -r 1bb35ae5e07e -r 3f69939dcbf6 graphics/librsvg/patches/patch-vendor-cssparser_src_parser.rs
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/graphics/librsvg/patches/patch-vendor-cssparser_src_parser.rs     Fri Oct 04 01:45:42 2019 +0000
@@ -0,0 +1,65 @@
+$NetBSD: patch-vendor-cssparser_src_parser.rs,v 1.1 2019/10/04 01:45:42 tnn Exp $
+
+error[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
+   --> src/parser.rs:572:17
+
+https://github.com/servo/rust-cssparser/commit/3c98d22c5de3b696bf1fde2b6c90069812312aa6#diff-2c09afcdc3c420ab0678ba9b5e83959c
+
+--- ../vendor/cssparser-0.24.0/src/parser.rs.orig      2017-12-11 12:41:06.000000000 +0000
++++ ../vendor/cssparser-0.24.0/src/parser.rs
+@@ -555,28 +555,34 @@ impl<'i: 't, 't> Parser<'i, 't> {
+         }
+ 
+         let token_start_position = self.input.tokenizer.position();
+-        let token;
+-        match self.input.cached_token {
+-            Some(ref cached_token)
+-            if cached_token.start_position == token_start_position => {
+-                self.input.tokenizer.reset(&cached_token.end_state);
+-                match cached_token.token {
+-                    Token::Function(ref name) => self.input.tokenizer.see_function(name),
+-                    _ => {}
+-                }
+-                token = &cached_token.token
+-            }
+-            _ => {
+-                let new_token = self.input.tokenizer.next()
+-                    .map_err(|()| self.new_basic_error(BasicParseErrorKind::EndOfInput))?;
+-                self.input.cached_token = Some(CachedToken {
+-                    token: new_token,
+-                    start_position: token_start_position,
+-                    end_state: self.input.tokenizer.state(),
+-                });
+-                token = self.input.cached_token_ref()
++        let using_cached_token = self
++            .input
++            .cached_token
++            .as_ref()
++            .map_or(false, |cached_token| {
++                cached_token.start_position == token_start_position
++            });
++        let token = if using_cached_token {
++            let cached_token = self.input.cached_token.as_ref().unwrap();
++            self.input.tokenizer.reset(&cached_token.end_state);
++            match cached_token.token {
++                Token::Function(ref name) => self.input.tokenizer.see_function(name),
++                _ => {}
+             }
+-        }
++            &cached_token.token
++        } else {
++            let new_token = self
++                .input
++                .tokenizer
++                .next()
++                .map_err(|()| self.new_basic_error(BasicParseErrorKind::EndOfInput))?;
++            self.input.cached_token = Some(CachedToken {
++                token: new_token,
++                start_position: token_start_position,
++                end_state: self.input.tokenizer.state(),
++            });
++            self.input.cached_token_ref()
++        };
+ 
+         if let Some(block_type) = BlockType::opening(token) {
+             self.at_start_of = Some(block_type);